China builds massive radio antenna facility
Interactive Video
•
Science, Engineering
•
11th Grade - University
•
Practice Problem
•
Hard
Wayground Content
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The video discusses a radio antenna covering 3700 square kilometers, as reported by the South China Morning Post. This antenna can emit extremely low frequency (ELF) radio waves ranging from 0.1 to 300 Hertz. These waves can be detected by Chinese military submarines deep in the ocean. Additionally, the antenna has potential applications in detecting earthquakes and minerals.
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2 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
How deep can the Chinese military submarines be to pick up the ELF waves?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What potential uses does the radio antenna have besides communication?
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